/* From a loader, pop off our entire stack and execute the loaded program */

/*
 * Copyright (c) 2007, 2012  Gregor Richards
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */

#include "config.h"

#if GELFLOAD_ARCH_i386
#define WITHSTACK_JMP(newstack, newloc) \
    asm("mov %0, %%esp\n" \
        "jmp *%1\n" \
        : \
        : "r"(newstack), "r"(newloc));

#elif GELFLOAD_ARCH_x86_64
#define WITHSTACK_JMP(newstack, newloc) \
    asm("mov %0, %%rsp\n" \
        "jmp *%1\n" \
        : \
        : "r"(newstack), "r"(newloc));

#else
#error No assembly code for subprocess execution known.
#endif
